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Home >> Toyota >> 2021 >> Mirai Limited >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Exterior Trim >> Roof Sunshade System - Diagnostic Codes & Symptom Tests >> Roof Sunshade System >> DTC B2341-49: Sliding Roof Motor Internal Electronic Failure; DTC B2344-07: Sliding Roof Position Mechanical Failure [12/2023 - ] >> Description

DTC B2341-49: Sliding Roof Motor Internal Electronic Failure; DTC B2344-07: Sliding Roof Position Mechanical Failure [12/2023 - ]: Description

When the sliding roof drive gear sub-assembly detects a motor malfunction and the roof sunshade operation is stopped, DTC B2341-49 is stored.

When the sliding roof drive gear sub-assembly detects a gear position malfunction and the roof sunshade operation is stopped, DTC B2344-07 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
B2341-49 Sliding Roof Motor Internal Electronic Failure Sensor (motor) failure (The sliding roof drive gear sub-assembly enters fail-safe mode due to a problem with the motor)
  • Sliding roof drive gear sub-assembly
  • Roof sunshade switch (map light assembly)
  • Wire harness or connector
Main Body A
B2344-07 Sliding Roof Position Mechanical Failure Position failure (The sliding roof drive gear sub-assembly enters fail-safe mode due to a problem with the gear position)
  • Sliding roof drive gear sub-assembly
  • Roof sunshade switch (map light assembly)
  • Wire harness or connector
Main Body A